I need SEO professional and social media marketing expert

I need SEO and SMM expert for ranking some target keywords and looking for the best. Also, I need on-page optimisation for my website. My website new launch and I know that we have many on-page missing. need to work full on-page optimisation. I m looking for an experienced LINK BUILDER that's able to provide QUALITY PERMANENT BACKLINKS using White hat Seo techniques.